Number of n X 4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222569
Number of n X 4 0..2 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =4a(1) =10a(2) =56a(3) =435a(4) =4790a(5) =50535a(6) =547563a(7) =5815939a(8) =63130202a(9) =676152734a(10) =7328771224a(11) =79083695286a(12) =857913193954
External references
- oeis: A222569